Blackthorn Investment Group, L.L.C. is an employee owned hedge fund sponsor. It primarily provides its services to pooled investment vehicles. The firm also caters to institutional investors, fund of funds, family offices, and high net worth individuals. It manages separate client focused equity portfolios. The firm invests in the public equity and hedging markets of the United States. It employs merger arbitrage and event-driven situations strategies to make its investments.

Blackthorn Investment Group, L.L.C. was founded in 1999 and is based in Overland Park, Kansas.